US4207935A - Flywheel-operated toy woodworking apparatus - Google Patents

Flywheel-operated toy woodworking apparatus Download PDF

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Publication number
US4207935A
US4207935A US05/924,119 US92411978A US4207935A US 4207935 A US4207935 A US 4207935A US 92411978 A US92411978 A US 92411978A US 4207935 A US4207935 A US 4207935A
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US
United States
Prior art keywords
housing
combination according
flywheel
another member
another
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US05/924,119
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English (en)
Inventor
Gerard L. Lambert
John S. Cook
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mattel Inc
Original Assignee
Mattel Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mattel Inc filed Critical Mattel Inc
Priority to US05/924,119 priority Critical patent/US4207935A/en
Priority to ES476649A priority patent/ES476649A1/es
Priority to AU43615/79A priority patent/AU520968B2/en
Priority to CA000331724A priority patent/CA1120719A/en
Application granted granted Critical
Publication of US4207935A publication Critical patent/US4207935A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
    • B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H29/00—Drive mechanisms for toys in general
    • A63H29/20—Flywheel driving mechanisms
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
    • A63H33/00—Other toys
    • A63H33/30—Imitations of miscellaneous apparatus not otherwise provided for, e.g. telephones, weighing-machines, cash-registers
    • A63H33/3072—Tools or machine-tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/0009—Energy-transferring means or control lines for movable machine parts; Control panels or boxes; Control parts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18056—Rotary to or from reciprocating or oscillating
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/444—Tool engages work during dwell of intermittent workfeed
    • Y10T83/4443—Unicyclic
    • Y10T83/4448—Controlled by mechanical means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/869—Means to drive or to guide tool
    • Y10T83/8821—With simple rectilinear reciprocating motion only
    • Y10T83/8828—Plural tools with same drive means
    • Y10T83/8831—Plural distinct cutting edges on same support

Definitions

  • This invention relates to toys and more particularly to a flywheel-powered toy woodworking apparatus.
  • Toys simulating woodworking apparatus normally found in a home shop provide amusement to children.
  • Representative of the toy woodworking apparatus are U.S. Pat. No. 3,071,889 which is a convertible wood-type machine shop toy which is motor driven for performing say cutting and turning operations on plastic foam or the like; U.S. Pat. No. 3,128,805 which is an electric motor-driven convertible wood machine shop toy for performing cutting or turning operations; U.S. Pat. No. 3,168,849 which is a toy punch machine; and U.S. Pat. No. 1,474,852 which is a mechanical toy simulating a man at work.
  • the first two of the above-mentioned patents require assembly, disassembly and reconfiguration of the parts thereof to enable the toy to be fully appreciated in performing the various operations.
  • the toy punch machine patent referenced above is a single purpose hand-operated machine.
  • a compact multi-purpose power machine is shown and described in U.S. Pat. No. 3,998,254, such patent being assigned to the assignee of the instant invention.
  • all working tool parts are contained within the housing and suitably recessed to prevent access to the tool surfaces by fingers of the user, the housing being provided with deep narrow slots for passage therethrough of the workpiece, usually in the form of a sheet or slab of working material such as wood, plastic or the like.
  • the machine is motor driven by means of an electrical motor.
  • a housing having pivotally secured thereto a handle coupled through a gear train to a drive member for operating a flywheel.
  • the handle is coupled through a ratchet mechanism to enable repeated strokes of the handle to accelerate the flywheel.
  • the gear train is provided for being driven by the flywheel with one gear of the gear train having a sanding disc bond to one surface thereof, the sanding disc being accessible through a slot in a side of the housing.
  • the gear train operates counter rotating slitter members which slit slats of wood or the like when passing therethrough.
  • a combined shear and punch member is operatively connected to an eccentric member which is manually depressible inwardly for rotation by a clutch mechanism operated by the gear train, the manually depressible member being spring biased outwardly and configured for coacting with a cam surface formed within the housing to control reciprocation of the member to one cycle for one depression.
  • the cutting components are suitably shielded to prevent harm to the user.
  • FIG. 1 is a perspective view of the toy woodworking apparatus according to the invention
  • FIG. 2 is a side elevation of the apparatus of FIG. 1 as viewed from the opposite side thereof with a housing half removed to show inner components;
  • FIG. 3 is a side elevational view showing the side opposite that of FIG. 2 with a housing half removed to show the inner components;
  • FIG. 4 is a sectional view of the woodworking apparatus taken generally along the broken line 4--4 of FIG. 3 with the flywheel rotated into plan elevation for illustrative purposes and component parts illustrated in the operative and inoperative positions along line A--A thereof;
  • FIG. 5 is a side elevational view of the flywheel mechanism as viewed generally along line 5--5 of FIG. 4;
  • FIG. 6 is a side elevational view of the rotary slitter portion, partially in cross section, as viewed along line 6--6 of FIG. 2;
  • FIG. 7 is an exploded perspective view of the shear blade operating components.
  • FIG. 8 is a cross sectional view taken generally along line 8--8 of FIG. 4.
  • a toy woodworking apparatus generally designated 10 having a housing formed in two halves 12 and 14, the housing being configured to resemble a table saw or the like.
  • the housing is provided with a working tabletop surface 16 through which extends a reciprocating combined shear and punch member 18 encircled by a suitable transparent shield 20 with elongate slots or openings 22 and adjacent the surface 16 for passage therethrough of a suitable workpiece such as a slat 24 configured in the form of a tongue depressor or the like.
  • the slat 24 may be made of wood or other suitable material such as plastic or cardboard.
  • the apparatus 10 as will hereinafter be described is flywheel powered by means of repeated actuation of a crank 26 pivotally coupled within the housing and operatively connected to operate the flywheel.
  • the handle or crank 26 is depressed downwardly in the direction of the arrow adjacent thereto and returns upwardly by means of a spring bias within the housing.
  • the two housing halves 12 and 14 are configured to provide a base portion 28 of suitable dimension for resting on a surface and providing stability during operation of the apparatus 10.
  • the shear and punch member 18, as will hereinafter be discussed, is coupled to a gear train within the housing halves 12 and 14 and operated on a single-cycle basis by manual depression of a button 30 located on the side of housing half 12.
  • the housing half 14 has been removed to illustrate the inner components which include a sanding disc 32 suitably affixed or bonded to a surface of a gear member, access to the sanding disc 32 being provided by means of an elongate slot 36 formed in a transparent planar shield member 38 which is secured to the housing half 14.
  • An additional woodworking operation is capable of being performed by means of counter rotating rotary slitting members generally designated 40 and 42.
  • the lower rotary slitting member 42 is provided with a main body portion having a square aperture 44 formed therein for engaging a square drive shaft 46 rotatably mounted within the housing.
  • One end of the main body portion is provided with an enlarged gear portion 48 adjacent housing half 14, the gear portion 48 having an enlarged circular aperture formed therein for engaging a boss 52 formed on the side of housing 14.
  • Encircling the outer periphery of the main body portion of rotary slitter member 42 are flexible sleeve members 54 and 56 having positioned therebetween an annular washer-like cutter blade 58 which may be suitably beveled about the periphery thereof.
  • the upper rotary cutting member 40 is configured generally identical to the lower member 42 and is provided with a gear portion 60 in meshing engagement with the gear portion 48 of the lower rotary slitter member 42.
  • the outer surface is encircled by flexible sleeves 62 and 64 holding captive therebetween an annular washer-like cutting member 66 in lapping relation with the lower cutting member 58.
  • the outer periphery of sleeve members 54 and 56 is displaced relative to the outer periphery of sleeve member 62 and 64 a distance sufficient to form a gap 68 through which a slat 24 may be passed for performing a slitting operation.
  • Each of the rotary slitting members 40 and 42 is provided with an outwardly extending shaft portion 70 and 72 respectively for engaging mating bosses (not shown) on the interior surface of housing half 14.
  • the sleeve members such as sleeve 56 and sleeve 64 have a splined inner configuration for engaging the splined main body portion of rotary slitting members 42 and 40 respectively.
  • the components within the housing halves 12 and 14 are initially mounted on a framework generally designated 76 to permit the operative parts to be coupled together as a unit or module with the housing halves 12 and 14 then being inserted thereover and suitably secured.
  • the framework 76 contains as an integral part a slitter work surface 78 which is generally planar and adapted to guide the slat 24 through the overlapping slitter blades 58 and 66 with the sleeve members frictionally engaging the slat 24 to thereby drive it for the slitting operation.
  • the framework 76 also includes additional arm portions 80, the intersections of which are suitably configured for mounting to opposing housing halves 12 and 14 or suitably provided with apertures for receiving shafts such as shaft 82 which provides the pivot axis for the gear member 34 to which the sanding disc 32 is attached.
  • the housing half 14 is suitably configured to provide slots 84 and 86 between the slitting surface 78 and the housing portion 88 shown in dotted line encircling upper rotary slitter member 40.
  • the openings 22 and 24 formed in the shield 20, the slot 36 formed in the sander disc shield 38, and the slots 84 and 86 associated with the rotary slitter are large enough for the insertion of slats 24 but small enough to preclude the entry of fingers of the user.
  • the handle 26 is rotatably coupled about a shaft 82, the handle 26 having an integral enlarged generally disc-shaped portion 90 with gear teeth 94 about a portion thereof.
  • the handle 26 is biased in a counterclockwise direction by means of a torsion spring 92 encircling the shaft 82 and having one end 96 thereof retained by a tab 98 formed integrally with the disc-shaped portion 90, the other end 100 of torsion spring 94 abuttingly engaging a tab 102 formed integrally with one leg 80 of the skeletal framework 76.
  • flywheel 104 Rotatably coupled within the lower portion of the housing half 14 is a flywheel generally designated 104, the flywheel being generally cup-shaped and having an enlarged peripheral flange 106 with an inner circular recess 108, the flange 106 having three radially inwardly extending ridge portions 110 (only two of which are shown).
  • the flywheel 104 is driven by a flywheel coupling device generally designated 112 which, briefly, is mounted for rotation about shaft 114 which is the axis of rotation of flywheel 104.
  • the flywheel coupling device 112 has an integral pinion portion 116 which is coupled for operation through the gear train, the device 112 being generally rectangular in form and having a pair of diametrically extending tongue portions 118 having enlarged edges adapted for abuttingly engaging one ridge portion 110, and for resiliently deforming to pass over the ridge portion 110 when undue stress is placed on the system.
  • the flywheel driving arrangement includes the three ridge portions 110 about the inner periphery of recess 108 of flywheel 104 with the flywheel coupling device having two tongue portions 118 diametrically opposed.
  • the main body portion 120 of the flywheel coupling device 112 is generally rectangular and provided with spaced integral deflectable leaf portions 122 on opposite sides of elongate openings 124, the tongue portions 118 being formed at the general midpoints of leaf portions 122 to provide resilience and permit deflection.
  • a drive pin 126 is secured within the recess 108 of flywheel 104, the pin 126 being positioned within one elongated slot 124 for abuttingly engaging the main body portion 120 of flywheel coupling device 112 to thereby drive the same.
  • the tabletop or working surface 16 is provided with an elongated slot 128 and an aligned short slot 130 with the combined shear and punch member 18 having a punch portion 132 configured for passing through slot 130, and a shear blade portion 134 configured for passing through slot 128.
  • the combined shear and punch member 18 is generally L-shaped with the shear blade 134 being configured on the undersurface of the short arm thereof.
  • the long arm is provided with an elongate generally rectangular opening 136 with the punch portion 132 extending downwardly into the opening 136 adjacent the midpoint of the upper edge of the opening 136.
  • the lower end of the member 18 is provided with an enlarged circular opening 138 having a suitable sleeve 140 positioned therein for rotatably engaging an enlarged eccentric lobe 142 integrally formed as part of the manually depressible button 30, the lobe 142 being generally circular in cross section but having the center thereof displaced from the center of the cap portion 144 of button member 30, the center of cap portion 144 being the axis of rotation of button 30 as will hereinafter be described.
  • This eccentric rotation reciprocates the combined shear and punch member 18 during rotation of button 30 to permit punch portion 132 to pass through slot 130 and simultaneously permit shear blade 134 to pass through slot 128.
  • the direction of rotation of button 30 is counter-clockwise as indicated by the arrow adjacent thereto.
  • the button 30 includes the cap portion 144, the eccentric lobe portion 142 and an enlarged generally disc-shaped flange portion 146 having a plurality of integrally formed inwardly extending ratchet teeth 148 formed on the opposite surface thereof, the ratchet teeth 148 totaling three in number displced 120° apart.
  • the lobe portion 142 is also provided with an outwardly extending tab portion 150 which coacts with an interior portion of the housing for maintaining the button 30 depressed for one complete revolution (see also FIG. 7).
  • FIG. 4 illustrates in cross section the functional components as viewed along line 4--4 of FIG. 3, with the view along the broken line extending from the center of shaft 82 through the center of shaft 114 being rotated into alignment with the part of broken line 4--4 extending from the center of shaft 82 through the center of button 30.
  • the horizontal line designated A--A through the center of square shaft 46 is used to illustrate on one side thereof certain components in the inoperative condition and on the other side thereof the same components shifted into the operative position. These certain components will be discussed hereinafter.
  • the power transmission within the apparatus 10 is initiated by repeatedly depressing handle 26 with the sector gear 92 thereof engaging the pinion portion 160 of a ratchet member generally designated 162, the ratchet member 162 having a large diameter disc-shaped portion 164 having ratchet teeth 166 axially extending about the periphery of a surface thereof.
  • the ratchet member 162 is provided with a circular aperture 168 rotatably mounted on a cylindrical extension 170 of an intermediate gear 172 and axially slidable relative thereto.
  • the ratchet member 162 is normally urged to the right as viewed in FIG.
  • a compression spring 174 interposed about extension 170 with one end thereof urging against the pinion portion 160 of ratchet member 162 and the other end thereof fitting within a recess 176 formed at the junction of two of the arm members 80 of the skeletal framework 76.
  • the ratchet teeth 166 of ratchet member 162 are configured for engaging a mating set of ratchet teeth 178 formed on an inner surface of intermediate gear 172.
  • compression spring 174 urges ratchet member 162 to the right as viewed in FIG.
  • the teeth of intermediate gear 172 are in meshing engagement with a pinion portion 184 of gear member 34 which has the sanding disc 32 on the opposite surface thereof.
  • the gear member 34 is rotatably coupled to shaft 82 and has the gear teeth thereof in meshing engagement with the pinion portion 116 of flywheel coupling device 112 to thereby impart rotation to flywheel 104 as previously described.
  • the flywheel 104 is provided with an elongate shaft portion 186 which is rotatably mounted within recesses 188 and 190 formed within the skeletal framework 76, the aperture 192 of flywheel coupling device 112 being mounted on the shaft portion 186 for rotation relative thereto to permit angular displacement of the parts as required by such stopping and as described previously in conjunction with FIG. 5.
  • flywheel 104 is accelerated, and energy is stored therein for subsequent utilization to drive the working elements of the apparatus.
  • the rotary slitter member 42 direct coupled to square shaft 46 for concurrent rotation therewith, rotation of the intermediate gear 172 effectively drives the rotary slitting members 40 and 42.
  • the rotation of intermediate gear 172 imparted to the sanding disc gear 34 provides for operation of the sanding disc.
  • a ratchet clutch means is provided for selectively rotating the shear and punch member 18 through a single revolution upon depression of button member 30.
  • the button member 30 is provided with a hollow interior having a circular cross section, this opening 196 encircling a projection 198 of a driven clutch member generally designated 200, the clutch member 200 having the projection 198 thereof fixedly coupled to one end of the square shaft 46.
  • the clutch member 200 is provided with a disc-shaped flange portion 202 formed integrally therewith, the flange portion 202 having ratchet teeth 204 axially extending and disposed about the periphery of one surface thereof in facing relation to the ratchet teeth 148 of button member 30.
  • the button member 30 is urged to the left by means of a compression spring 206 encircling the projection 198 and disposed between opposing surfaces of flange portion 202 of clutch member 200 and flange portion 146 of button member 30, this position being shown below line A--A of FIG. 4.
  • the button member 30 is urged to the left by means of spring 206 with the teeth 148 thereof in spaced proximate relation to the ratchet teeth 204 of clutch member 200.
  • the button member 30 thus remains stationary notwithstanding rotation of clutch member 200 and consequently the shear and punch member 18 remains stationary since the opening 138 thereof encircles the eccentric lobe 142 of button member 30.
  • buttons member 30 As button member 30 is depressed, this position being indicated above the line A--A of FIG. 4, the ratchet teeth 148 thereof engage the ratchet teeth 204 of driven clutch member 200 to permit rotation of button member 30 through one cycle.
  • This is accomplished by means of the cap portion 144 of button member 30 extending through an aperture 208 formed within housing half 12, the aperture 208 being encircled by a generally cylindrical sleeve member 210 formed integrally in housing half 12.
  • the sleeve member 210 is provided with a V-shaped detent (see also FIG.
  • the apparatus 10 according to the invention is compact, requires no source of electrical energy for operation, and provides four different woodworking operations capable of being performed by utilization of a flywheel powered device.
  • the slat 24 can be sheared into smaller lengths, can have holes punched therein, can be split lengthwise or slit, and can be sanded, thus providing a variety of sizes and configuration of pieces which may be assembled into small houses, articles of furniture, or other types of structures depending on the imagination of the user.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Mechanical Operated Clutches (AREA)
  • Toys (AREA)
  • Transmission Devices (AREA)
US05/924,119 1978-07-13 1978-07-13 Flywheel-operated toy woodworking apparatus Expired - Lifetime US4207935A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US05/924,119 US4207935A (en) 1978-07-13 1978-07-13 Flywheel-operated toy woodworking apparatus
ES476649A ES476649A1 (es) 1978-07-13 1979-01-08 Aparato de carpinteria de juguete destinado a realizar ope- raciones de trabajo a maquina sobre un articulo de madera o similar.
AU43615/79A AU520968B2 (en) 1978-07-13 1979-01-24 Flywheel-operated toy woodworking apparatus
CA000331724A CA1120719A (en) 1978-07-13 1979-07-12 Flywheel-operated toy woodworking apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/924,119 US4207935A (en) 1978-07-13 1978-07-13 Flywheel-operated toy woodworking apparatus

Publications (1)

Publication Number Publication Date
US4207935A true US4207935A (en) 1980-06-17

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Application Number Title Priority Date Filing Date
US05/924,119 Expired - Lifetime US4207935A (en) 1978-07-13 1978-07-13 Flywheel-operated toy woodworking apparatus

Country Status (4)

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US (1) US4207935A (es)
AU (1) AU520968B2 (es)
CA (1) CA1120719A (es)
ES (1) ES476649A1 (es)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040177739A1 (en) * 2003-03-06 2004-09-16 Still Thomas E. Cutting device for plastic horseshoes
US20050186881A1 (en) * 2004-02-24 2005-08-25 Gatto Jeffrey R. Toy power tool with swirling sawdust
US20180286278A1 (en) * 2015-05-11 2018-10-04 AFPA Agence Nationale Pour la Formation des Adultes Method of learning cutting by combining simulation entities, and hybrid implementation platform

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US399066A (en) * 1889-03-05 Saw-gummer
US453363A (en) * 1891-06-02 Punching and shearing machine
US1474852A (en) * 1922-01-11 1923-11-20 Anthony S Ryback Mechanical toy
DE486636C (de) * 1928-01-21 1929-11-21 Stockert Geb Handhebelantrieb fuer Schleifvorrichtungen
US2913025A (en) * 1955-11-23 1959-11-17 Yates American Machine Co Combination saw, jointer and sander tool
US3071889A (en) * 1959-04-08 1963-01-08 Silver Julian Convertible wood type machine shop toy
US3128805A (en) * 1964-04-14 Electric motor-driven convertible wood machine shop toy
US3168849A (en) * 1961-02-02 1965-02-09 Singer Co Toy punch machine
US3998254A (en) * 1975-03-03 1976-12-21 Mattel, Inc. Safe power machine
US4118886A (en) * 1977-02-01 1978-10-10 The Quaker Oats Company Toy elevator safety override drive mechanism

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US399066A (en) * 1889-03-05 Saw-gummer
US453363A (en) * 1891-06-02 Punching and shearing machine
US3128805A (en) * 1964-04-14 Electric motor-driven convertible wood machine shop toy
US1474852A (en) * 1922-01-11 1923-11-20 Anthony S Ryback Mechanical toy
DE486636C (de) * 1928-01-21 1929-11-21 Stockert Geb Handhebelantrieb fuer Schleifvorrichtungen
US2913025A (en) * 1955-11-23 1959-11-17 Yates American Machine Co Combination saw, jointer and sander tool
US3071889A (en) * 1959-04-08 1963-01-08 Silver Julian Convertible wood type machine shop toy
US3168849A (en) * 1961-02-02 1965-02-09 Singer Co Toy punch machine
US3998254A (en) * 1975-03-03 1976-12-21 Mattel, Inc. Safe power machine
US4118886A (en) * 1977-02-01 1978-10-10 The Quaker Oats Company Toy elevator safety override drive mechanism

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040177739A1 (en) * 2003-03-06 2004-09-16 Still Thomas E. Cutting device for plastic horseshoes
US20050186881A1 (en) * 2004-02-24 2005-08-25 Gatto Jeffrey R. Toy power tool with swirling sawdust
US20180286278A1 (en) * 2015-05-11 2018-10-04 AFPA Agence Nationale Pour la Formation des Adultes Method of learning cutting by combining simulation entities, and hybrid implementation platform
US10679517B2 (en) * 2015-05-11 2020-06-09 AFPA Agence Nationale Pour la Formation des Adultes Method of learning cutting by combining simulation entities, and hybrid implementation platform

Also Published As

Publication number Publication date
ES476649A1 (es) 1979-12-16
CA1120719A (en) 1982-03-30
AU4361579A (en) 1980-01-17
AU520968B2 (en) 1982-03-11

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